A232130 Number of (n+1)X(n+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order

6, 728, 602468, 3795674252, 176569302110496, 60960050569112225624, 156025607439258576501944264, 2960693161885750577087228146201160, 416501345588614541672537137056124519706624

Offset

1,1

Comments

Diagonal of A232137

Links

R. H. Hardin, Table of n, a(n) for n = 1..10

Example

Some solutions for n=2
..0..1..2....0..1..2....0..1..0....0..1..0....0..1..0....0..1..0....0..1..0
..0..1..2....2..1..0....2..1..0....2..0..2....0..1..1....2..2..0....2..0..1
..2..1..2....1..0..1....0..1..2....0..1..2....0..0..2....2..0..2....1..2..0

Crossrefs

Sequence in context: A271528 A316748 A354251 * A289365 A251810 A283787

Adjacent sequences: A232127 A232128 A232129 * A232131 A232132 A232133

Keyword

nonn

Author

R. H. Hardin, Nov 19 2013

Status

approved